TY - CHAP M1 - Book, Section TI - Atrioventicular Block A1 - Bashore, Thomas M. A1 - Granger, Christopher B. A1 - Jackson, Kevin P. A1 - Patel, Manesh R. A2 - Papadakis, Maxine A. A2 - McPhee, Stephen J. A2 - Rabow, Michael W. A2 - McQuaid, Kenneth R. PY - 2022 T2 - Current Medical Diagnosis & Treatment 2022 AB - ESSENTIALS OF DIAGNOSISConduction disturbance between the atrium and ventricle that can be physiologic (due to enhanced vagal tone) or pathologic.Block occurs in the AV node (first-degree, second-degree Mobitz type I) or below the AV node (second-degree Mobitz type II, third-degree).Symptomatic AV block or block below the AV node in the absence of a reversible cause usually warrants permanent pacemaker implantation. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=1184695885 ER -